The Jurassic Zoo charges $12 for each adult admission and $6 for each child. The total bill for the 205 people from a school trip was $1590. How many adults and how many children went to the zoo?

Answer 1

#60# adults and #145# children went to the zoo.

Let us assume number of adults are #a#,
hence number of children are #205-a#
As Jurassic Zoo charges #$12# for each adult admission and #$6# for each child,
the total bill is #12xxa+(205-a)xx6=12a+1230-6a=6a+1230#
but bill is #$1590#
Hence #6a+1230=1590#
or #6a=1590-1230=360#
or #a=360/6=60#
Hence #60# adults and #(205-60)=145# children went to the zoo.
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Answer 2

Adults: 85, Children: 120

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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